| // Copyright 2014 The Bazel Authors. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| package com.google.devtools.common.options; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static org.junit.Assert.assertThrows; |
| |
| import java.util.List; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** A test for {@link Converters.CommaSeparatedOptionListConverter}. */ |
| @RunWith(JUnit4.class) |
| public class CommaSeparatedOptionListConverterTest { |
| |
| private Converter<List<String>> converter = |
| new Converters.CommaSeparatedOptionListConverter(); |
| |
| @Test |
| public void emptyStringYieldsEmptyList() throws Exception { |
| assertThat(converter.convert("")).isEmpty(); |
| } |
| |
| @Test |
| public void commaTwoEmptyStrings() throws Exception { |
| assertThat(converter.convert(",")).containsExactly("", "").inOrder(); |
| } |
| |
| @Test |
| public void leadingCommaYieldsLeadingSpace() throws Exception { |
| assertThat(converter.convert(",leading,comma")) |
| .containsExactly("", "leading", "comma").inOrder(); |
| } |
| |
| @Test |
| public void trailingCommaYieldsTrailingSpace() throws Exception { |
| assertThat(converter.convert("trailing,comma,")) |
| .containsExactly("trailing", "comma", "").inOrder(); |
| } |
| |
| @Test |
| public void singleWord() throws Exception { |
| assertThat(converter.convert("lonely")).containsExactly("lonely"); |
| } |
| |
| @Test |
| public void multiWords() throws Exception { |
| assertThat(converter.convert("one,two,three")) |
| .containsExactly("one", "two", "three").inOrder(); |
| } |
| |
| @Test |
| public void spaceIsIgnored() throws Exception { |
| assertThat(converter.convert("one two three")).containsExactly("one two three"); |
| } |
| |
| @Test |
| public void valueisUnmodifiable() throws Exception { |
| assertThrows( |
| "could modify value", |
| UnsupportedOperationException.class, |
| () -> converter.convert("value").add("other")); |
| } |
| |
| } |